HTML Web Application
OAS communicates with HTML-based applications using JSON over HTTP/S.
OAS provides the following API access for integrating with custom clients and for full programmatic access to live and historical data:
- REST API – The OAS REST API exposes functionality for reading and writing real-time and historical Tag Data, Trend Data, and Alarms. Additionally, the API can be used for managing OAS Server configurations.
- HTTP API – Make HTTP calls using JSON data structures